Late-maturing varieties of grapes: increased fertilizer use
August 26 07:10:37, 2023
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This stage is during the second swell of berries and requires adequate nutrition. Therefore, the use of fertilizers should be increased in the management of late-maturing varieties in this period. Fertilizers should be increased by applying phosphorus and potassium fertilizers. In addition to applying roots, the application of foliar fertilizers should be paid attention to. Under normal circumstances, 25 to 30 days before harvest, Mushi potassium sulfate, calcium superphosphate 15 to 20 kg, foliar topdressing potassium dihydrogen phosphate 2 to 3 times.